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Finding the Fourth Proportional to 33,887.64, 46,764.32 and 19,547.40

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Solution

The fourth proportional to 33,887.64, 46,764.32 and 19,547.40 is: 26,975.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,887.64 : 46,764.32 = 19,547.40 : x
  2. Step 2: Convert to fraction form
    33,887.64/46,764.32 = 19,547.40/x
  3. Step 3: Cross multiply
    33,887.64x = 46,764.32 × 19,547.40
  4. Step 4: Simplify right side
    33,887.64x = 914,120,868.77
  5. Step 5: Solve for x
    x = 914,120,868.77/33,887.64
  6. Step 6: Final answer
    x = 26,975.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.